Look at these details from a paragraph about the same topic:

A sheep's wool coat can be used to make yarn that keeps you warm.
Yarn can also be made from rabbit or goat hair.
Even camel hair can be used to make yarn.
Choose the main, or central, idea that ties all the details together.

1 answer

The main, or central, idea that ties all the details together is that various animal fibers can be used to make yarn, which is effective for keeping warm.